Vermont said a second protest will be held from 5 to 7:15 p.m. Wednesday on McLevy Green. Participants are asked to bring signs and their voices, she said.

"This event is held in the spirit of love, justice and community and racial healing," said Kate Rivera, one of the event's organizers.

Zimmerman, a neighborhood watch captain in Sanford, Fla., confronted Martin on a rainy Feb. 26, 2012, after Martin walked through the gated neighborhood wearing a hoodie and carrying a bag of Skittles.

Using Florida's Stand Your Ground law, Zimmerman said he acted in self-defense when he fatally shot the unarmed, 17-year-old Martin.

Scot X. Esdaile, president of the Connecticut NAACP, said the verdict sickened him.

"It's disgusting, but it's also nothing new to us," said Esdaile, speaking from the NAACP's national convention in Florida. "It is the same as Sean Bell in New York City, Malik Jones in New Haven and Rodney King in L.A."

Esdaile, who said he believes young black men can't get justice at the state level, added that a petition is circulating asking U.S. Attorney General Eric Holder to bring federal civil rights charges against Zimmerman.

Martin's killing unleashed a national debate about racial profiling, self-defense and equal justice.

Many people, including Martin's parents, claimed that Zimmerman had racially profiled Martin.

In New York City on Sunday, more than 1,000 people gathered in Times Square to protest the verdict.

The protesters gathered in Union Square late Sunday afternoon for a rally dubbed "Hoodies Up for Trayvon."

The marchers then zigzagged their way to Times Square where they blocked traffic for more than an hour before moving on. Police said there were no arrests.

In Miami, more than 200 people gathered for a vigil. "You can't justify murder," read one poster. Another read "Don't worry about more riots. Worry about more Zimmermans."

In Philadelphia, about 700 protesters marched from LOVE Park to the Liberty Bell, chanting Trayvon Martin's name and "No justice, no peace!"

About 200 people turned out for a rally and march in downtown Chicago, saying the verdict was symbolic of racism in the United States.

In San Francisco and Los Angeles -- where an earlier protest was dispersed with beanbag rounds -- police closed streets as protesters marched Sunday to condemn Zimmerman's acquittal.